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Article
Multidisciplinary Sciences
Xuchen Wang et al.
Summary: Photonic time crystals are artificial materials with spatially uniform but temporally varying electromagnetic properties. This study extends the concept of photonic time crystals to two-dimensional artificial structures called metasurfaces. By designing a microwave metasurface, the researchers confirmed the existence of momentum bandgaps and exponential wave amplification, demonstrating the potential of metasurfaces as a material platform for emerging photonic space-time crystals and for amplifying surface-wave signals in wireless communications.
Review
Optics
Emanuele Galiffi et al.
Summary: This review comprehensively discusses the recent progress of time modulation in photonic metamaterials, including temporal switching, photonic time-crystals, and spatiotemporal modulation. It also reviews and provides perspectives on the applications of time modulation in nonreciprocity, synthetic motion, giant anisotropy, etc.
ADVANCED PHOTONICS
(2022)
Article
Physics, Multidisciplinary
Yonatan Sharabi et al.
Summary: In this study, we investigated the propagation of electromagnetic waves in disordered photonic time crystals. We observed that in spatially homogeneous media with randomly changing refractive indices, the group velocity of a pulse decreases exponentially, eventually reaching a complete stop while the intensity experiences exponential growth. These effects are greatly influenced by the Floquet band structure of the photonic time crystal, with the highest sensitivity to disorder occurring in superluminal modes. The ensemble statistics were also analyzed, showing similarities to Anderson localization with single parameter scaling.
PHYSICAL REVIEW LETTERS
(2021)
Article
Physics, Multidisciplinary
Guoxu Feng et al.
Summary: This paper examines the history and origin of the Abraham-Minkowski controversy, attributing it to a continuation of the debate over the speed of light in medium, caused by non-local observation. Through examples, it reveals that the A-M controversy is hidden in special and general relativity, with relative motion and gravitational field refractive indexes defined by the space-time metric tensor.
EUROPEAN PHYSICAL JOURNAL PLUS
(2021)
Article
Physics, Multidisciplinary
R. Carminati et al.
Summary: The study shows that waves propagating in a medium with randomly fluctuating wave velocity in time exhibit a statistical distribution of wave energy that is log-normal at long times, with average energy growing exponentially. At shorter times and weak disorder, the energy follows a negative exponential distribution, with an average value growing linearly with time. This universal statistical behavior bridges the fields of wave propagation in time-disordered and space-disordered media.
PHYSICAL REVIEW LETTERS
(2021)
Article
Optics
Charles W. Robson et al.
Summary: The path integral formulation of quantum mechanics is an elegant and universal framework that allows for solving classical problems and goes beyond the field of quantum mechanics, being also applicable in optics and photonics. Additionally, the path integral Monte Carlo method is discussed as a valuable computational resource for condensed matter physics with potential applications in photonics.
Article
Materials Science, Multidisciplinary
Maxim S. Masyukov et al.
Summary: This study investigates time-varying metamaterials based on graphene layers, demonstrating frequency variation of scattered waves due to rapid Fermi level switching. Results show that as the Fermi level increases rapidly, the frequency of scattered waves also increases.
Article
Optics
Victor Pacheco-Pena et al.
Article
Physics, Multidisciplinary
Stefano Vezzoli et al.
PHYSICAL REVIEW LETTERS
(2018)
Article
Optics
Galaad Altares Menendez et al.
Article
Physics, Multidisciplinary
N. Y. Yao et al.
PHYSICAL REVIEW LETTERS
(2017)
Article
Physics, Multidisciplinary
Dominic V. Else et al.
PHYSICAL REVIEW LETTERS
(2016)
Article
Optics
Krzysztof Sacha
Article
Physics, Multidisciplinary
B. W. Plansinis et al.
PHYSICAL REVIEW LETTERS
(2015)
Article
Optics
Yuzhe Xiao et al.
Article
Engineering, Electrical & Electronic
Karl F. Warnick et al.
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
(2014)
Review
Geochemistry & Geophysics
D. A. Angus
SURVEYS IN GEOPHYSICS
(2014)
Article
Physics, Multidisciplinary
Stephen M. Barnett
PHYSICAL REVIEW LETTERS
(2010)
Article
Multidisciplinary Sciences
J. B. Pendry
Article
Education, Scientific Disciplines
Kenneth S. Mendelson
AMERICAN JOURNAL OF PHYSICS
(2006)
Article
Physics, Multidisciplinary
JT Mendonça et al.
